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3.2 Checksquarenessoftheshaftandendshoulderorshaftsleeveif

one is used.

 Theendofthesleevethatmateswiththerotatingassembly15

(ortheshaftshoulderifasleeveisnotused)mustbesquareto

within0.076mm(0.003inch)totalindicatorreading.SeeFigure3.

3.3 Enlargethesealcavityopeningorreplacetheappropriatepump

parts as described by the seal assembly drawing.

 3.3.1 Somepumpsonlyrequirereplacingthepackedgland 

  stufngboxwithanew 46 coversuppliedwiththeseal. 

Use the appropriate gaskets supplied with the seal because

they may be different than the original gaskets.

3.3.2 Other pumps require machining of the packed gland

  stufngbox,orcasing,orrearcasinglinertoallow 46 

  covertobeattached.Machinepartsasdescribedinthe 

seal assembley drawing. Use the appropriate gaskets

  suppliedasdescribedin(3.3.1.)above.

3.3.3 Rubber lined pumps may require enlarging the hole in

the center of the inner rubber liner. Cut the liner to the

dimensions shown on the seal assembly drawing.

  Useappropriaterubberrepaircompoundtocoverany 

metal that is exposed when cutting the rubber liner.

3.4 Assembleandinstall 46 coverormodiedpumppartsasapplicable.

 3.4.1 Ifanew 46  coverissupplied,install 139 endplate 

  (leaving 40 boltslooseatthistime),10 adjustingstud, 

  101 clampringand9jamnuts.

Note:AstandardO-ringgrooveisincorporatedinthecoverfor3.750

andsmallersizes,and139endplateisnotused.Onsomepumps,

Squareness of the Shaft Figure3

0.07 mm

(0.003 inch)

Maximum

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